Polar M400 vs. Polar M600 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Motorola Moto 360 (1st Gen)

 
M400
M600
ZenWatch 3
Ionic
Moto 360 (1st Gen)
 PolarM400Remove Buy NowPolarM600Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy Now

Basic Info

Suggested Price$200$330$229$299$150
Release20142016201720172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days2 days48 hours4+ days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240400 x 400348x250320 x 260
Sizen/a1.3 inches1.39 inches1.421.56 inches
Touchn/a
Typen/aTFTAMOLEDOLEDLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX850mIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2Fitbit OSAndroid Wear
Apps
MusicNA

All Wearables